#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main()
{
    float a, b;
    scanf("%f %f", &a, &b);
    float BMI = a / (b * b);
    if (BMI >= 18.5 && BMI <= 23.9)
    {
        printf("Normal");

    }
    else {
        printf("Abnormal");
    }

    return 0;
}